Swimming in Finland in october 2025 Sea temperature by city in october
Do you want to go to the beach in Finland in october 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in october in Finland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Finland in october 2025
Here, find the average sea temperature in Finland in october in several coastal cities.
South in october
51°F
min: 44°F / max: 59°F
51°F
min: 44°F / max: 58°F
Ekenäs
52°F
min: 45°F / max: 59°F
Hamina
51°F
min: 43°F / max: 58°F
Hanko
51°F
min: 44°F / max: 58°F
Ingå
51°F
min: 44°F / max: 59°F
West Coast in october
44°F
min: 31°F / max: 56°F
44°F
min: 33°F / max: 56°F
47°F
min: 41°F / max: 53°F
Turku Archipelago (Abo Skargard)
44°F
min: 31°F / max: 56°F
Rauma
44°F
min: 34°F / max: 55°F
Jakobstad
47°F
min: 41°F / max: 51°F
Lapland in october
46°F
min: 43°F / max: 50°F
46°F
min: 39°F / max: 54°F
46°F
min: 41°F / max: 52°F
47°F
min: 45°F / max: 50°F
Honningsvåg
46°F
min: 43°F / max: 50°F
46°F
min: 43°F / max: 49°F
North in october
47°F
min: 41°F / max: 52°F
46°F
min: 39°F / max: 54°F
Haukipudas
46°F
min: 39°F / max: 53°F
Kuivaniemi
46°F
min: 39°F / max: 53°F
Pyhaejoki
47°F
min: 40°F / max: 53°F
Raahe
46°F
min: 40°F / max: 53°F
Where should you go swimming in Finland in the month of october?
Swimming in Finland in october is freezing
In october in Finland swimming conditions are generally the same everywhere.
Forget about swimming in Helsinki, Åland, Alta, Kalajoki, Kemi, Kotka, Lulea, Oulu, Tromso, Turku, Vaasa, Turku Archipelago (Abo Skargard), Honningsvåg, Kirkenes, Rauma, Båtsfjord, Ekenäs, Hamina, Hammerfest, Hanko, Haukipudas, Ingå, Jakobstad, Kirkkonummi, Kokkola, Kristinestad, Kuivaniemi, Lakselv, Lyngseidet, Naantali, Oravais, Pargas, Piteå, Porvoo, Pyhaejoki, Raahe, Skjervoy, Storslett, Tornio, Uusikaupunki, Vadsø, Vantaa and Vardø in october! The water temperature is freezing, reaching as low as 44°F (and only 59°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Finland in october: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in october
Helsinki
| October | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 44°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 3.6in | ||
| Number of days of precipitation | 6 jour(s) (20%) | ||
| Cloud cover | 58% | ||
| Our opinion | freezing swimming |
More information on swimming in Helsinki in october
Åland
| October | |||
| Average sea temperature | 44°F | ||
| Minimum sea temperature | 31°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 49°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 5 jour(s) (15%) | ||
| Cloud cover | 57% | ||
| Our opinion | freezing swimming |
More information on swimming in Åland in october
Alta
| October | |||
| Average sea temperature | 46°F | ||
| Minimum sea temperature | 43°F | ||
| Maximum sea temperature | 50°F | ||
| Average outside temperature | 36°F | ||
| Maximum outside temperature | 40°F | ||
| Minimum outside temperature | 34°F | ||
| Precipitation | 2.4in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
More information on swimming in Alta in october
Kalajoki
| October | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 41°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 2.6in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
More information on swimming in Kalajoki in october
Kemi
| October | |||
| Average sea temperature | 46°F | ||
| Minimum sea temperature | 39°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 41°F | ||
| Maximum outside temperature | 43°F | ||
| Minimum outside temperature | 40°F | ||
| Precipitation | 3.4in | ||
| Number of days of precipitation | 6 jour(s) (19%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
More information on swimming in Kemi in october
List of coastal cities in Finland
| Helsinki in october | freezing swimming |
| Åland in october | freezing swimming |
| Alta in october | freezing swimming |
| Kalajoki in october | freezing swimming |
| Kemi in october | freezing swimming |
| Kotka in october | freezing swimming |
| Lulea in october | freezing swimming |
| Oulu in october | freezing swimming |
| Tromso in october | freezing swimming |
| Turku in october | freezing swimming |
| Vaasa in october | freezing swimming |
| Turku Archipelago (Abo Skargard) in october | freezing swimming |
| Honningsvåg in october | freezing swimming |
| Kirkenes in october | freezing swimming |
| Rauma in october | freezing swimming |
| Båtsfjord in october | freezing swimming |
| Ekenäs in october | freezing swimming |
| Hamina in october | freezing swimming |
| Hammerfest in october | freezing swimming |
| Hanko in october | freezing swimming |
| Haukipudas in october | freezing swimming |
| Ingå in october | freezing swimming |
| Jakobstad in october | freezing swimming |
| Kirkkonummi in october | freezing swimming |
| Kokkola in october | freezing swimming |
| Kristinestad in october | freezing swimming |
| Kuivaniemi in october | freezing swimming |
| Lakselv in october | freezing swimming |
| Lyngseidet in october | freezing swimming |
| Naantali in october | freezing swimming |
| Oravais in october | freezing swimming |
| Pargas in october | freezing swimming |
| Piteå in october | freezing swimming |
| Porvoo in october | freezing swimming |
| Pyhaejoki in october | freezing swimming |
| Raahe in october | freezing swimming |
| Skjervoy in october | freezing swimming |
| Storslett in october | freezing swimming |
| Tornio in october | freezing swimming |
| Uusikaupunki in october | freezing swimming |
| Vadsø in october | freezing swimming |
| Vantaa in october | freezing swimming |
| Vardø in october | freezing swimming |